Leadership theories in sociology and psychology argue that effective leaders influence follower behavior not only through the design of incentives institutions, but also personal abilities to persuade motivate. Although charismatic leadership has received considerable attention management literature, existing research yet established causal evidence for an effect leader charisma on performance ...

one of the most difficult and the most common behavioral problems in people with mental retardation, from mild to severe, That adversely affect interpersonal behavior and unpleasant effect on people's moods and mental self. Social skills is a process that individuals understand and predict the behavior of others and also control their behavior and regulate social interactions.Quasi-experimental...

Disease as a pivotal factor in determining the course of human events may be one og the least considered historical variables. When assessing the critical junctures of history, historians seem more inclined to focus on the impact of conquering armies, economic revolutions, and technologic breakthroughs. This analysis attempts to illustrate the seminal effects of the great plague of Athens. By d...

one of the most difficult and the most common behavioral problems in people with mental retardation, from mild to severe, that adversely affect interpersonal behavior and unpleasant effect on people's moods and mental self. social skills is a process that individuals understand and predict the behavior of others and also control their behavior and regulate social interactions.quasi-experimental...